<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-08 -128 08:15:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="15.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.08 (128) 08:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612805080815001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.425" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.635" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="8.815" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="242.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="242.500" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="275.431" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="245.671" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.356" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.530" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.512" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.469" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.808" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.110" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.610" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="18">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
242.500 245.000 245.000 246.680 248.536 250.597 252.899 255.487 258.419 261.766 265.625 270.123 275.431 281.792 289.553 299.231 311.641 328.125
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 72 0 60 75 72 72 75 60 57 45 0 51 45 0 0 60
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 1.5625 1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="365">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.91667 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.83333 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 202.75 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 245.671 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.3538872 0.35347393 0.3529119 0.3519786 0.3509026 0.34953943 0.34789655 0.34598285 0.3438088 0.34138623 0.3386593 0.33571413 0.33243394 0.32884502 0.3249759 0.3207348 0.3162249 0.311316 0.3060709 0.30039963 0.29436976 0.2878726 0.28096467 0.27349284 0.26549044 0.25688842 0.24761072 0.23761433 0.22685163 0.21513027 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20083019 0.20581132 0.21079245 0.21577358 0.22075471 0.22573584 0.23071699 0.23569812 0.24067925 0.24566038 0.2506415 0.25562266 0.2606038 0.26558492 0.27056605 0.27554718 0.2805283 0.28550944 0.29049057 0.2954717 0.30045283 0.30543396 0.3104151 0.31539622 0.32037735 0.32535848 0.3303396 0.33532074 0.3403019 0.34528303 0.35026416 0.354 0.36169484 0.3941701 0.42917493 0.46646568 0.5058614 0.5472686 0.59066194 0.63608235 0.68361956 0.7333811 0.78552145 0.8401949 0.8975551 0.9577337 1.020825 1.0869029 1.1558944 1.2276611 1.3018919 1.3781013 1.4556651 1.5337609 1.6115214 1.6879959 1.7623193 1.8337383 1.9016465 1.9655963 2.0253 2.080605 2.1314688 2.1778975 2.219976 2.2577922 2.2914655 2.3211162 2.3468525 2.3687887 2.3870168 2.401613 2.4126499 2.4201741 2.4242225 2.425 2.4248836 2.4231284 2.4193358 2.4135995 2.4060137 2.3966727 2.3856702 2.3730989 2.359051 2.343617 2.3268852 2.3089426 2.2898731 2.2697592 2.2486804 2.2267137 2.2039332 2.1804106 2.1562145 2.1314106 2.106062 2.080229 2.0539691 2.0273368 2.000384 1.97316 1.9457113 1.9180818 1.8903133 1.8624448 1.8345131 1.8065529 1.7785965 1.7506742 1.7228143 1.6950431 1.6673852 1.6398633 1.6124984 1.58531 1.558316 1.531533 1.5049759 1.4786587 1.4525938 1.4267927 1.4012656 1.3760216 1.3510693 1.3264157 1.3020673 1.2780298 1.254308 1.230906 1.2078274 1.1850749 1.1626507 1.1405566 1.1187936 1.0973626 1.0762637 1.0554968 1.0350612 1.0149564 0.9951806 0.97573274 0.9566108 0.9378128 0.9193364 0.90117913 0.8833383 0.865811 0.84859425 0.8316849 0.81507957 0.79877496 0.7827674 0.7670534 0.7516293 0.73649126 0.7216355 0.70705825 0.69275546 0.6787233 0.66495776 0.65145487 0.6382107 0.6252212 0.61248237 0.5999903 0.5877409 0.57573026 0.5639545 0.5524095 0.5410915 0.5299966 0.5191209 0.5084606 0.49801192 0.4877711 0.47773445 0.46789828 0.45825896 0.4488129 0.43955654 0.4304864 0.42159903 0.412891 0.40435892 0.39599952 0.38780951 0.3797857 0.37192485 0.3642239 0.3566797 0.3492893 0.3420497 0.33495793 0.32801113 0.32120648 0.31454116 0.30801243 0.30161762 0.29535407 0.28921917 0.2832104 0.27732518 0.27156112 0.26591575 0.26038674 0.25497168 0.24966834 0.24447447 0.23938783 0.23440628 0.22952768 0.22474997 0.22007108 0.21548901 0.2110018 0.20660752 0.20230426 0.19809018 0.19396345 0.1899223 0.18596497 0.18208975 0.17829494 0.17457892 0.17094006 0.16737676 0.16388749 0.16047071 0.15712495 0.15384872 0.15064062 0.14749923 0.14442317 0.1414111 0.13846168 0.13557364 0.1327457 0.12997663 0.1272652 0.12461021 0.122010514 0.11946495 0.1169724 0.11453177 0.11214198 0.109801985 0.10751074 0.105267234 0.10307049 0.10091952 0.098813385 0.09675115 0.09473191 0.09275477 0.09081884 0.088923275 0.08706724 0.08524991 0.08347048 0.08172815 0.08002217 0.07835177 0.076716214 0.07511477 0.07354673 0.07201141 0.070508115 0.069036186 0.06759497 0.06618381 0.06480211 0.063449234 0.062124588 0.060827587 0.05955765 0.05831421 0.057096727 0.05590465 0.054737452 0.05359461 0.052475628 0.051379997 0.050307233

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="2.425" PeakHeight="245.671" Num="5" zHalfNm="226.356" Error="1.764">
-44.835 3.496 -2.385 1.039 -0.236
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6510.917" A="-1.58830494E11" B="4.902176E7" C="-3782.4177" Error="0.00166"/>
<QuasiParabolic ID="2" StartDistance="6510.917" EndDistance="6541.833" A="0.0" B="-2999.7253" C="0.5007492" Error="0.0551"/>
<QuasiParabolic ID="3" StartDistance="6541.833" EndDistance="6560.0" A="1.46403344E11" B="-4.4795084E7" C="3426.5322" Error="0.0622"/>
<QuasiParabolic ID="4" StartDistance="6560.0" EndDistance="6570.0" A="-1.6900694E11" B="5.1366588E7" C="-3902.8635" Error="0.0244"/>
<QuasiParabolic ID="5" StartDistance="6570.0" EndDistance="6579.0" A="4.8885483E12" B="-1.488224E9" C="113265.37" Error="0.0772"/>
<QuasiParabolic ID="6" StartDistance="6579.0" EndDistance="6599.0" A="1.07190734E13" B="-3.26068966E9" C="247971.67" Error="0.0524"/>
<QuasiParabolic ID="7" StartDistance="6599.0" EndDistance="6615.671" A="-1.57034815E13" B="4.7473587E9" C="-358790.56" Error="0.00706"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="92.75" Depth="0.154"/>
<TopsideChapman PeakHeight="245.671" PeakDensity="72960.61" PeakScaleHeight="14.808" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
